Mathew Tekulsky is the author of Americana: A Photographic Journey, Galapagos Birds: A Photographic Voyage, The Art of Hummingbird Gardening, and Backyard Bird Photography, among other books. He is also the author of "The Birdman of Bel Air," a column at NationalGeographic.com that featured essays and photographs about his birding experiences. His bird photographs have been exhibited in galleries and museums, including the Roger Tory Peterson Institute of Natural History.